Dog Fence System Pet Containment System with 100 Adjustable Levels IPX7 Waterproof Rechargeable Receiver Underground Fence for Small Medium Large DogOur electronic fencing system creates an effective signal field to deter our dogs from the designated area, which greatly ensures our pets safety. The transmitter features multiple dogs support, 0. 75 acre signal field range and 100 adjustable levels. Once you start up the system, the receiver will automatically send beep(4 levels) and shock(4 levels) as your dog try to cross the boundary wire. The rechargeable feature, IPX7 waterproof performance and